FZHW50 PHFO 230102 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 302 PM HST Sun Feb 22 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 302 PM HST Sun Feb 22 2026 .Synopsis for Hawaiian coastal waters... A trough stretches from waters north of Maui across Oahu to south of Kauai. The trough will be pushed slowly southward tonight and Monday by a strong surface high north of the islands. Fresh to strong trade winds north of the trough will spread over most waters tonight and Monday, with the strongest winds initially around Kauai and Oahu, and heavy showers and thunderstorms will be possible. Trades will slowly ease Monday night through Wednesday, then shift out of the southeast Thursday or Friday as a front approaches.
Kauai Northwest Waters- 302 PM HST Sun Feb 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH TUESDAY AFTERNOON...
TONIGHT Northeast winds 20 to 25 knots. Seas 5 to 8 feet, building to 8 to 9 feet after midnight. Wave Detail: East 8 feet at 7 seconds. Numerous heavy showers with isolated thunderstorms.
MONDAY East northeast winds 20 to 25 knots. Seas 9 to 11 feet. Wave Detail: East 8 feet at 7 seconds and north northeast 6 feet at 16 seconds. Numerous showers with isolated thunderstorms in the morning, then scattered showers in the afternoon.
MONDAY NIGHT East northeast winds 15 to 20 knots. Seas 11 to 14 feet. Wave Detail: North northeast 11 feet at 15 seconds and east 5 feet at 6 seconds. Isolated thunderstorms in the evening. Scattered showers.
TUESDAY East northeast winds to 20 knots. Seas 15 to 17 feet. Wave Detail: North northeast 11 feet at 14 seconds and east 7 feet at 7 seconds. Isolated showers.
TUESDAY NIGHT East northeast winds 20 to 25 knots. Seas 13 to 15 feet, subsiding to 11 to 14 feet after midnight. Wave Detail: North northeast 8 feet at 14 seconds and east 6 feet at 7 seconds. Isolated showers in the evening, then scattered showers after midnight.
WEDNESDAY East northeast winds 20 to 25 knots. Seas 10 to 12 feet, subsiding to 9 to 10 feet in the afternoon. Wave Detail: North northeast 7 feet at 13 seconds and east 5 feet at 6 seconds. Isolated showers.
WEDNESDAY NIGHT East winds 20 to 25 knots. Seas 8 to 10 feet. Wave Detail: East 5 feet at 6 seconds and north northeast 5 feet at 12 seconds. Isolated showers.
THURSDAY East southeast winds 20 to 25 knots, becoming southeast to 15 knots after midnight. Seas 6 to 8 feet. Wave Detail: East 4 feet at 5 seconds and north northeast 4 feet at 11 seconds. Isolated showers.
FRIDAY South winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North 4 feet at 10 seconds and east 3 feet at 5 seconds. Isolated showers. Winds and seas higher in and near tstms.
Kauai Windward Waters- 302 PM HST Sun Feb 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH TUESDAY AFTERNOON...
TONIGHT East northeast winds 15 to 20 knots, rising to 20 to 25 knots after midnight. Seas 6 to 7 feet, building to 7 to 9 feet after midnight. Wave Detail: East 8 feet at 7 seconds. Occasional heavy showers with isolated thunderstorms.
MONDAY Northeast winds 20 to 25 knots, becoming east northeast 15 to 20 knots in the afternoon. Seas 9 to 11 feet. Wave Detail: East 8 feet at 7 seconds and north northeast 6 feet at 16 seconds. Occasional heavy showers in the morning. Isolated thunderstorms. Scattered showers in the afternoon.
MONDAY NIGHT East northeast winds 15 to 20 knots. Seas 11 to 13 feet, building to 13 to 14 feet after midnight. Wave Detail: North northeast 11 feet at 15 seconds and east 5 feet at 7 seconds. Isolated thunderstorms in the evening. Scattered showers.
TUESDAY Northeast winds 15 to 20 knots. Seas 14 to 17 feet. Wave Detail: North northeast 11 feet at 14 seconds and east 6 feet at 7 seconds. Scattered showers.
TUESDAY NIGHT East northeast winds 15 to 20 knots. Seas 12 to 15 feet. Wave Detail: North northeast 8 feet at 14 seconds and east southeast 6 feet at 7 seconds. Isolated showers in the evening, then scattered showers after midnight.
WEDNESDAY East northeast winds to 15 knots. Seas 10 to 12 feet, subsiding to 9 to 10 feet in the afternoon. Wave Detail: North northeast 7 feet at 13 seconds and east southeast 5 feet at 7 seconds. Isolated showers.
WEDNESDAY NIGHT East northeast winds to 15 knots, becoming east after midnight. Seas 8 to 9 feet. Wave Detail: North northeast 5 feet at 12 seconds and east southeast 4 feet at 6 seconds. Isolated showers.
THURSDAY East southeast winds 20 to 25 knots, becoming southeast to 15 knots after midnight. Seas 6 to 8 feet. Wave Detail: East 4 feet at 5 seconds and north northeast 4 feet at 11 seconds. Isolated showers.
FRIDAY South southeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 5 seconds and north northeast 3 feet at 11 seconds. Isolated showers. Winds and seas higher in and near tstms.
Kauai Leeward Waters- 302 PM HST Sun Feb 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH TUESDAY AFTERNOON...
TONIGHT North winds 15 to 20 knots, becoming northeast 20 to 25 knots after midnight. Seas 4 to 6 feet, building to 6 to 9 feet after midnight. Wave Detail: East northeast 6 feet at 6 seconds. Scattered heavy showers with isolated thunderstorms.
MONDAY Northeast winds 25 to 30 knots, veering to east northeast 20 to 25 knots in the afternoon. Seas 7 to 9 feet, building to 8 to 11 feet in the afternoon. Wave Detail: East northeast 8 feet at 7 seconds and north 6 feet at 16 seconds. Isolated thunderstorms in the morning. Scattered showers.
MONDAY NIGHT East northeast winds 15 to 20 knots. Seas 8 to 11 feet. Wave Detail: North northeast 10 feet at 15 seconds and east northeast 6 feet at 6 seconds. Isolated thunderstorms in the evening. Scattered showers.
TUESDAY East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon. Seas 10 to 14 feet. Wave Detail: North northeast 10 feet at 14 seconds and east northeast 7 feet at 7 seconds. Isolated showers.
TUESDAY NIGHT East northeast winds 20 to 25 knots. Seas 9 to 13 feet. Wave Detail: East 7 feet at 7 seconds and north northeast 7 feet at 14 seconds. Isolated showers in the evening, then scattered showers after midnight.
WEDNESDAY East northeast winds 15 to 20 knots. Seas 7 to 10 feet. Wave Detail: East 6 feet at 6 seconds and north northeast 6 feet at 13 seconds. Isolated showers.
WEDNESDAY NIGHT East winds 15 to 20 knots. Seas 6 to 9 feet. Wave Detail: East 5 feet at 6 seconds and north northeast 5 feet at 12 seconds. Isolated showers.
THURSDAY East southeast winds to 15 knots. Seas 5 to 7 feet. Wave Detail: Southeast 4 feet at 6 seconds and north northeast 4 feet at 11 seconds. Isolated showers.
FRIDAY South southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds and north northwest 4 feet at 10 seconds. Isolated showers. Winds and seas higher in and near tstms.
Kauai Channel- 302 PM HST Sun Feb 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH TUESDAY AFTERNOON...
TONIGHT North northeast winds 15 to 20 knots, becoming east northeast 20 to 25 knots after midnight. Seas 4 to 6 feet, building to 6 to 7 feet after midnight. Wave Detail: East northeast 6 feet at 6 seconds. Numerous heavy showers with isolated thunderstorms.
MONDAY East northeast winds 25 to 30 knots, easing to 20 to 25 knots in the afternoon. Seas 7 to 9 feet, building to 8 to 11 feet in the afternoon. Wave Detail: East northeast 7 feet at 7 seconds and north northeast 6 feet at 16 seconds. Numerous heavy showers in the morning. Isolated thunderstorms. Scattered showers in the afternoon.
MONDAY NIGHT Northeast winds 15 to 20 knots. Seas 9 to 12 feet, building to 10 to 14 feet after midnight. Wave Detail: North northeast 10 feet at 14 seconds and east northeast 5 feet at 6 seconds. Isolated thunderstorms in the evening. Scattered showers.
TUESDAY East northeast winds 15 to 20 knots. Seas 11 to 15 feet. Wave Detail: North northeast 10 feet at 14 seconds and east northeast 7 feet at 7 seconds. Scattered showers.
TUESDAY NIGHT Northeast winds to 20 knots. Seas 10 to 14 feet. Wave Detail: North northeast 7 feet at 14 seconds and east northeast 6 feet at 6 seconds. Isolated showers in the evening, then scattered showers after midnight.
WEDNESDAY East northeast winds 15 to 20 knots. Seas 8 to 11 feet. Wave Detail: North northeast 7 feet at 13 seconds and east northeast 5 feet at 6 seconds. Isolated showers.
WEDNESDAY NIGHT East northeast winds 15 to 20 knots. Seas 7 to 9 feet. Wave Detail: North northeast 5 feet at 12 seconds and east northeast 4 feet at 5 seconds. Isolated showers.
THURSDAY East southeast winds to 15 knots. Seas 5 to 7 feet. Wave Detail: East southeast 4 feet at 5 seconds and north northeast 4 feet at 11 seconds. Isolated showers in the morning. Isolated showers through the day.
FRIDAY South southeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: Southeast 3 feet at 5 seconds and north northeast 3 feet at 11 seconds. Isolated showers. Winds and seas higher in and near tstms.
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